Sputum Protein | Within-subject CV (%) (90% CI) | Between-subject CV (%) (90% CI) | Analytical variation (%) | Reference change value (%) |
---|---|---|---|---|
Eotaxin2 | 70 (53 - 95) | 88 (50 - 104) | 12.1 | 196.77 |
HGF | 58 (44 - 76) | 66 (46 - 79) | 14.3 | 165.47 |
IP-10 | 62 (45 - 82) | 54 (32 - 73) | 12.2 | 175.03 |
KGF | 49 (33 - 70) | 90 (58 - 126) | 8.3 | 137.66 |
MMP-13 | 54 (36 - 72) | 69 (43 - 89) | 11.0 | 152.65 |
TNF-RI | 46 (36 - 54) | 56 (40 - 65) | 8.8 | 129.73 |
GROα | 78 (56 - 100) | 89 (52 - 106) | 8.2 | 217.25 |
TIMP2 | 81 (57- 101) | 57 (38 - 77) | 8.4 | 225.57 |
TNF-RII | 69 (49 - 89) | 104 (65 - 126) | 8.6 | 192.61 |
α2 macroglobulin | 57 (33 - 75) | 70 (47 - 84) | 6.43 | 158.89 |
ENA-78 | 61 (49 - 74) | 88 (60 - 104) | 4.32 | 169.39 |
IL-13 | 30 (23 - 37) | 101 (32 - 116) | 3.25 | 83.59 |
IL-15 | 62 (48 - 76) | 121 (64- 149) | 3.96 | 172.09 |
IL-18 | 55 (43 - 66) | 63 (32 - 73) | 3.46 | 152.65 |
IL-1β | 61 (44 - 77) | 160 (113 - 210) | 4.58 | 169.45 |
IL-1RA | 58 (46 - 69) | 55 (37 - 68) | 5.86 | 161.48 |
IL-6 | 50 (36 - 68) | 99 (59 - 118) | 3.73 | 138.88 |
IL-8 | 60 (47 - 82) | 88 (70 - 106) | 3.83 | 166.54 |
MCP-1 | 86 (70 - 99) | 146 (84 - 182) | 3.95 | 238.47 |
MMP-2 | 57 (39 - 81) | 70 (38 - 82) | 3.33 | 158.16 |
TIMP-1 | 54 (33- 73) | 38 (27 - 46) | 5.89 | 150.47 |
VEGF | 42 (32 - 55) | 24 (15 - 31) | 4.98 | 117.15 |
Median coefficient of variation for all proteins | 58 | 79 | 5.88 | 163.47 |